<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
    <form action="{|U:'upload'}" method="post" enctype="multipart/form-data">
        <input type="file" name='pic1'/>
        <input type="file" name='pic2'/>
        <input type="submit">
    </form>
</body>
</html>